Solve the system of equations below pleasee

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

What is 1.5% of 120 or what number is 1.5% of 120

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer